Weather Alerts Map

Charles County weather alerts

There are no active weather alerts for Charles County, MD right now.

Since 2016 the National Weather Service has issued about 1,176 alerts that included Charles County, roughly 118 a year. The most common is the severe thunderstorm warning (354 from 2016 to 2025). The last tornado warning was issued on August 17, 2026. 32 tornadoes have touched down in the county since 1950.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

No warnings, watches or advisories include Charles County at the moment. This page updates automatically when the National Weather Service issues one. Check neighboring St. Mary's County, Calvert County, Fairfax County, Prince George's County.

Map data: NWS, OpenFreeMap, OpenStreetMap

Charles County alert history

Alert events that included Charles County or its forecast zones, from the NWS warning archive.

Alert type2016–20252026Last issued
Severe Thunderstorm Warning35443September 4, 2026
Coastal Flood Advisory1657October 24, 2026
Severe Thunderstorm Watch11020October 16, 2026
Flood Watch873August 16, 2026
Wind Advisory603March 16, 2026
Flood Warning580June 16, 2025
Heat Advisory588September 3, 2026
Winter Weather Advisory411February 22, 2026
Dense Fog Advisory351March 5, 2026
Frost Advisory271April 9, 2026
Tornado Warning234August 17, 2026
Tornado Watch203August 20, 2026
Flash Flood Warning180June 15, 2025
Freeze Warning173November 14, 2026
Extreme Heat Watch142July 4, 2026
Extreme Heat Warning133July 4, 2026
Red Flag Warning110November 16, 2025
Fire Weather Watch100November 16, 2025
Winter Storm Warning101January 25, 2026
Freeze Watch91April 21, 2026
Cold Weather Advisory910February 9, 2026
Winter Storm Watch92February 22, 2026
High Wind Warning61February 7, 2026
Coastal Flood Warning40October 29, 2025
High Wind Watch30February 16, 2025
Blizzard Warning10January 22, 2016
Tropical Storm Watch10August 2, 2020
Tropical Storm Warning10August 3, 2020
Ice Storm Warning10February 13, 2021
Snow Squall Warning10January 3, 2025

Tornado history in Charles County

32 tornadoes have been recorded in Charles County since 1950, killing 3 people and injuring 122. That ranks 3 of 24 counties in Maryland. The most recent was on May 27, 2022 (rated EF1).

EF0: 14EF014EF1: 13EF113EF2: 4EF24EF3: 0EF3EF4: 1EF41EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes in Charles County

DateRatingCountyPath lengthWidthDeathsInjuries
April 28, 2002F4Charles County38 mi650 yd3122
April 28, 2002F2Charles County3 mi100 yd00
June 20, 1978F2Charles County1 mi50 yd00
July 27, 1994F2Charles County0.8 mi200 yd00
July 27, 1994F2Charles County0.8 mi150 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
May 27, 2022EF1St. Mary's County4.1 mi100 yd00
February 25, 2017EF1Charles County8.4 mi125 yd00
June 27, 2015EF1Charles County16.1 mi800 yd00
June 27, 2015EF1Charles County2 mi100 yd00
September 7, 2011EF0Charles County1.4 mi50 yd00

Maryland tornado history and map →

About Charles County

Neighboring counties